[SharedArrayBuffer] Prevent SharedArrayBuffer being used in Web APIs

third_party/WebKit/Source/modules/webaudio/AudioBufferSourceNode.cpp

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 402 matching lines @@
                                  ExceptionMessages::InclusiveBound));
       return;
     }
 
     output(0).setNumberOfChannels(numberOfChannels);
 
     m_sourceChannels = wrapArrayUnique(new const float*[numberOfChannels]);
     m_destinationChannels = wrapArrayUnique(new float*[numberOfChannels]);
 
     for (unsigned i = 0; i < numberOfChannels; ++i)
-      m_sourceChannels[i] = buffer->getChannelData(i)->data();
+      m_sourceChannels[i] = buffer->getChannelData(i).view()->data();
 
     // If this is a grain (as set by a previous call to start()), validate the
     // grain parameters now since it wasn't validated when start was called
     // (because there was no buffer then).
     if (m_isGrain)
       clampGrainParameters(buffer);
   }
 
   m_virtualReadIndex = 0;
   m_buffer = buffer;
@@ skipping 321 matching lines @@
 
 void AudioBufferSourceNode::start(double when,
                                   double grainOffset,
                                   double grainDuration,
                                   ExceptionState& exceptionState) {
   audioBufferSourceHandler().start(when, grainOffset, grainDuration,
                                    exceptionState);
 }
 
 }  // namespace blink